78 lines
1.7 KiB
Go
78 lines
1.7 KiB
Go
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// Copyright 2021 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package pkgbits
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// A Code is an enum value that can be encoded into bitstreams.
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//
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// Code types are preferable for enum types, because they allow
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// Decoder to detect desyncs.
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type Code interface {
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// Marker returns the SyncMarker for the Code's dynamic type.
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Marker() SyncMarker
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// Value returns the Code's ordinal value.
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Value() int
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}
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// A CodeVal distinguishes among go/constant.Value encodings.
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type CodeVal int
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func (c CodeVal) Marker() SyncMarker { return SyncVal }
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func (c CodeVal) Value() int { return int(c) }
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// Note: These values are public and cannot be changed without
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// updating the go/types importers.
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const (
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ValBool CodeVal = iota
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ValString
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ValInt64
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ValBigInt
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ValBigRat
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ValBigFloat
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)
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// A CodeType distinguishes among go/types.Type encodings.
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type CodeType int
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func (c CodeType) Marker() SyncMarker { return SyncType }
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func (c CodeType) Value() int { return int(c) }
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// Note: These values are public and cannot be changed without
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// updating the go/types importers.
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const (
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TypeBasic CodeType = iota
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TypeNamed
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TypePointer
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TypeSlice
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TypeArray
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TypeChan
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TypeMap
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TypeSignature
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TypeStruct
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TypeInterface
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TypeUnion
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TypeTypeParam
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)
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// A CodeObj distinguishes among go/types.Object encodings.
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type CodeObj int
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func (c CodeObj) Marker() SyncMarker { return SyncCodeObj }
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func (c CodeObj) Value() int { return int(c) }
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// Note: These values are public and cannot be changed without
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// updating the go/types importers.
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const (
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ObjAlias CodeObj = iota
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ObjConst
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ObjType
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ObjFunc
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ObjVar
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ObjStub
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)
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